Claveria comprises 22 barangays with an estimated population of 33,376. 22 of its barangays (100%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Albasan | 1,833 | 0 | Dead zone: no towers from any source |
| Boca Engaño | 1,193 | 0 | Dead zone: no towers from any source |
| Buyo | 1,411 | 0 | Dead zone: no towers from any source |
| Calpi | 1,389 | 0 | Dead zone: no towers from any source |
| Canomay | 649 | 0 | Dead zone: no towers from any source |
| Cawayan | 1,478 | 0 | Dead zone: no towers from any source |
| Imelda | 1,544 | 0 | Dead zone: no towers from any source |
| Mababang Baybay | 870 | 0 | Dead zone: no towers from any source |
| Mabiton | 1,747 | 0 | Dead zone: no towers from any source |
| Manapao | 886 | 0 | Dead zone: no towers from any source |
| Nabasagan | 663 | 0 | Dead zone: no towers from any source |
| Nonoc | 1,874 | 0 | Dead zone: no towers from any source |
| Osmeña | 2,103 | 0 | Dead zone: no towers from any source |
| Pasig | 1,353 | 0 | Dead zone: no towers from any source |
| Peñafrancia | 835 | 0 | Dead zone: no towers from any source |
| Poblacion District I (Bgy. 1) | 3,437 | 0 | Dead zone: no towers from any source |
| Poblacion District II (Bgy. 2) | 2,993 | 0 | Dead zone: no towers from any source |
| Quezon | 1,180 | 0 | Dead zone: no towers from any source |
| San Isidro | 1,013 | 0 | Dead zone: no towers from any source |
| San Ramon | 2,263 | 0 | Dead zone: no towers from any source |
| San Vicente | 1,630 | 0 | Dead zone: no towers from any source |
| Taguilid | 1,032 | 0 | Dead zone: no towers from any source |